ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 00Z 23-Feb-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 05 PM Sat Feb 22 2025 25F 21F / 55% WNW 19 G 28 MPH 5600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Sat Feb 22 2025 22F 19F / 66% WNW 27 G 40 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Sat Feb 22 2025 21F 19F / 66% NW 26 G 39 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Sat Feb 22 2025 21F 19F / 67% NW 25 G 37 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Sat Feb 22 2025 22F 19F / 69% WNW 25 G 37 MPH 4300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Sat Feb 22 2025 22F 20F / 66% WNW 25 G 36 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Sat Feb 22 2025 21F 20F / 68% WNW 25 G 37 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Sun Feb 23 2025 22F 20F / 65% WNW 25 G 36 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Sun Feb 23 2025 22F 21F / 55% WNW 25 G 36 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Sun Feb 23 2025 22F 21F / 56% WNW 24 G 36 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Sun Feb 23 2025 22F 22F / 52% WNW 24 G 36 MPH 4500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Sun Feb 23 2025 23F 22F / 52% WNW 23 G 32 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Sun Feb 23 2025 23F 22F / 50% WNW 23 G 33 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Sun Feb 23 2025 23F 22F / 47% W 24 G 33 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Sun Feb 23 2025 23F 23F / 46% W 24 G 33 MPH 5200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Sun Feb 23 2025 24F 24F / 48% W 25 G 37 MPH 5300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Sun Feb 23 2025 26F 25F / 44% W 25 G 37 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Sun Feb 23 2025 29F 26F / 43% W 24 G 36 MPH 5700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Sun Feb 23 2025 32F 26F / 44% WSW 24 G 39 MPH 6000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Sun Feb 23 2025 33F 26F / 43% W 27 G 45 MPH 6400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Sun Feb 23 2025 34F 26F / 52% W 27 G 43 MPH 6600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Sun Feb 23 2025 32F 25F / 77% W 27 G 46 MPH 6500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 03 PM Sun Feb 23 2025 30F 26F / 89% W 29 G 46 MPH 8400 FT 7:1 / 14% 0.01" / 0.1" 0.01" / 0.1" 23 04 PM Sun Feb 23 2025 30F 26F / 86% W 29 G 45 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 24 05 PM Sun Feb 23 2025 29F 26F / 85% W 26 G 43 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 25 06 PM Sun Feb 23 2025 27F 24F / 88% W 26 G 42 MPH 8500 FT 7:1 / 14% 0.01" / 0.1" 0.02" / 0.2" 26 07 PM Sun Feb 23 2025 25F 24F / 97% W 28 G 46 MPH 8900 FT 7:1 / 14% 0.01" / 0.1" 0.03" / 0.3" 27 08 PM Sun Feb 23 2025 27F 24F / 98% W 29 G 44 MPH 9200 FT 7:1 / 14% 0.02" / 0.1" 0.05" / 0.4" 28 09 PM Sun Feb 23 2025 29F 24F / 99% W 27 G 44 MPH 9100 FT 7:1 / 14% 0.04" / 0.3" 0.09" / 0.7" 29 10 PM Sun Feb 23 2025 29F 25F / 99% W 27 G 42 MPH 9000 FT 7:1 / 14% 0.06" / 0.4" 0.15" / 1.1" 30 11 PM Sun Feb 23 2025 30F 25F / 100% W 28 G 42 MPH 9100 FT 7:1 / 14% 0.02" / 0.1" 0.17" / 1.2" 31 12 AM Mon Feb 24 2025 30F 25F / 100% W 27 G 42 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 32 01 AM Mon Feb 24 2025 30F 25F / 99% W 27 G 42 MPH 9000 FT 6:1 / 17% 0.00" / 0.0" 0.17" / 1.2" 33 02 AM Mon Feb 24 2025 29F 24F / 100% W 28 G 42 MPH 9000 FT 6:1 / 17% 0.00" / 0.0" 0.17" / 1.2" 34 03 AM Mon Feb 24 2025 29F 24F / 100% WNW 27 G 40 MPH 8800 FT 6:1 / 17% 0.00" / 0.0" 0.17" / 1.2" 35 04 AM Mon Feb 24 2025 28F 23F / 100% WNW 25 G 38 MPH 8700 FT 6:1 / 17% 0.00" / 0.0" 0.17" / 1.2" 36 05 AM Mon Feb 24 2025 27F 23F / 91% WNW 26 G 41 MPH 8700 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 37 06 AM Mon Feb 24 2025 27F 23F / 86% W 28 G 41 MPH 8700 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 38 07 AM Mon Feb 24 2025 27F 24F / 91% W 26 G 43 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 39 08 AM Mon Feb 24 2025 27F 24F / 84% WNW 28 G 42 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 40 09 AM Mon Feb 24 2025 30F 25F / 85% W 26 G 41 MPH 8600 FT 6:1 / 17% 0.00" / 0.0" 0.17" / 1.2" 41 10 AM Mon Feb 24 2025 32F 26F / 86% W 24 G 37 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 42 11 AM Mon Feb 24 2025 34F 27F / 79% W 23 G 36 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.17" / 1.2" 43 12 PM Mon Feb 24 2025 36F 28F / 69% W 24 G 36 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.17" / 1.2" 44 01 PM Mon Feb 24 2025 37F 29F / 62% W 24 G 38 MPH 8700 FT 10:1 / 10% 0.00" / 0.0" 0.17" / 1.2" 45 02 PM Mon Feb 24 2025 37F 29F / 63% W 23 G 35 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.2" 46 03 PM Mon Feb 24 2025 36F 29F / 68% W 22 G 36 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.2" 47 04 PM Mon Feb 24 2025 36F 30F / 72% W 22 G 35 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.17" / 1.2" 48 05 PM Mon Feb 24 2025 34F 30F / 77% WSW 21 G 33 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.2"